3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = empty($k['a']['b']) ? 1 : 0; var_export($a);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00718.43
8.3.50.0070.00718.20
8.3.40.0090.00618.59
8.3.30.0140.00018.54
8.3.20.0040.00419.05
8.3.10.0090.00023.56
8.3.00.0040.00420.67
8.2.180.0040.01118.29
8.2.170.0070.01122.96
8.2.160.0070.00722.17
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00519.64
8.2.120.0040.00426.35
8.2.110.0050.00320.52
8.2.100.0090.00317.91
8.2.90.0080.00017.84
8.2.80.0000.00817.97
8.2.70.0050.00318.05
8.2.60.0030.00518.16
8.2.50.0050.00318.10
8.2.40.0040.00419.34
8.2.30.0050.00519.30
8.2.20.0040.00418.03
8.2.10.0000.00718.06
8.2.00.0000.00817.66
8.1.280.0170.00025.92
8.1.270.0040.00418.59
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00317.52
8.1.230.0080.00322.66
8.1.220.0090.00017.74
8.1.210.0000.00818.91
8.1.200.0030.00617.11
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0000.00818.57
8.1.160.0040.00418.75
8.1.150.0000.00718.73
8.1.140.0070.00022.00
8.1.130.0080.00020.17
8.1.120.0000.00817.40
8.1.110.0040.00417.41
8.1.100.0000.00817.39
8.1.90.0040.00417.27
8.1.80.0080.00017.35
8.1.70.0040.00417.40
8.1.60.0040.00417.48
8.1.50.0070.00017.45
8.1.40.0000.00717.46
8.1.30.0060.00317.57
8.1.20.0030.00717.51
8.1.10.0080.00017.42
8.1.00.0040.00417.49
8.0.300.0050.00219.64
8.0.290.0000.00816.75
8.0.280.0000.00718.38
8.0.270.0000.00617.11
8.0.260.0030.00318.33
8.0.250.0030.00316.88
8.0.240.0000.00816.84
8.0.230.0000.00816.89
8.0.220.0000.00916.69
8.0.210.0040.00416.82
8.0.200.0040.00416.83
8.0.190.0030.00516.83
8.0.180.0040.00416.81
8.0.170.0040.00416.85
8.0.160.0040.00416.91
8.0.150.0040.00416.84
8.0.140.0030.00316.74
8.0.130.0060.00013.20
8.0.120.0040.00416.83
8.0.110.0040.00416.76
8.0.100.0050.00216.67
8.0.90.0030.00516.71
8.0.80.0090.00716.81
8.0.70.0030.00316.62
8.0.60.0000.00716.62
8.0.50.0070.00016.67
8.0.30.0130.00316.89
8.0.20.0090.00917.40
8.0.10.0040.00417.06
8.0.00.0120.01116.82
7.4.330.0030.00315.55
7.4.320.0000.00616.46
7.4.300.0060.00016.42
7.4.290.0070.00016.53
7.4.280.0020.00516.33
7.4.270.0030.00616.55
7.4.260.0070.00016.38
7.4.250.0000.00916.45
7.4.240.0000.00716.31
7.4.230.0030.00316.18
7.4.220.0050.00316.54
7.4.210.0060.00916.51
7.4.200.0000.00716.41
7.4.160.0100.00916.42
7.4.140.0100.01017.86
7.4.130.0120.00616.38
7.4.120.0110.01016.41
7.3.330.0030.00313.11
7.3.320.0000.00613.01
7.3.310.0000.00916.18
7.3.300.0030.00316.22
7.3.290.0030.00316.30
7.3.280.0110.00616.28
7.3.260.0100.01016.21
7.3.240.0090.00916.21

preferences:
43.11 ms | 400 KiB | 5 Q